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Installation Manual

Radiant Auto-Balancing System (RABS) 

For Radiant Heating Systems

03.2021

Summary of Contents for RABS 1250.7US

Page 1: ...Installation Manual Radiant Auto Balancing System RABS For Radiant Heating Systems 03 2021...

Page 2: ...Front Room North Thermostat 2 Loop Circuit 5 Loop Circuit 6 Loop Circuit 7 Loop Circuit 8 Loop Circuit 9 Loop Circuit 10 Loop Circuit 11 Loop Circuit 12 Hardware Identification Information for the Ins...

Page 3: ...3 3_ Accessories_ __________________________________ 19 Range Extender_____________________________________ 19 Power Adapter for Range Extenders and or Thermostats_ 20 2 4_ Technical Data____________...

Page 4: ...nting Versions___________________________________ 41 Using the Mounting Frame____________________________ 41 Mounting the Thermostat to the Wall___________________ 42 Mounting the Thermostat on a Conc...

Page 5: ...___ 56 5 2_ Method 3 Local Operation via Software_ ______ 56 5 2 1_ Overview of Functions_ _________________________ 56 5 2 2_ Setting Up a WLAN Module_ _____________________ 57 5 2 3_ Starting the Op...

Page 6: ...Units Menu_____________ 82 6 1 13_Control Units Overview Control Units____________ 83 6 1 14_Sorting and Renaming Rooms_ __________________ 84 6 1 15_Activating Circuit Offset_________________________...

Page 7: ...cuit Hub_ ______________________ 96 8 3 3_ Exchanging the Thermostat______________________ 97 8 3 4_ Replacing the Range Externder_ _________________ 97 8 3 5_ Replace Supply Temperature Sensor_______...

Page 8: ...ost current Viega technical literature please visit www viega us The firmware and software for RABS are subject to updates For the most current versions please visit www rabs viega us The WLAN Module...

Page 9: ...operator or owner after completing installation and set up 1 4 Safety Notices DANGER Risk of electric shock An electric shock can lead to burns serious injury and even death Electrical work may only...

Page 10: ...N 60730 2 14 2009 Particular Requirements for Electrical Actuators FCC Part 15 Subpart B FCC Part 15 Subpart C IEC 60950 1 Canada CAN CSA E60730 1 2015 Ed 5 CAN CSA E60730 2 9 2018 Ed 4 CAN CSA E60730...

Page 11: ...etween the equipment and receiver Connect the equipment into an outlet on a circuit different from that to which the receiver is connected Consult the dealer or an experienced radio TV technician for...

Page 12: ...r different operation methods that complement each other The user can control zones through power levels thermostats and operation software A local end device can access the operation software by conn...

Page 13: ...set for each thermostat Unoccupied Mode increases energy efficiency by reducing demand during unoccupied periods Dynamic long term temperature analysis helps optimize the system settings for increased...

Page 14: ...RS 232 RESET Figure 2 Control unit 1 Integrated power adapter 2 Socket for long ribbon cable 31 5 inches 3 Male connector for supply sensor 4 Socket for future function 5 Male connector for WLAN modul...

Page 15: ...b 4 Threaded connection to the return valve on the return manifold For mounting instructions see 3 3 3 Mount the Powerheads on page 33 Return Sensor Port Model 1250 2US The return sensor port connects...

Page 16: ...he control unit uses this information to determine how to prioritize and or distribute heat to each circuit in the system After the control unit analyses the system parameters it transmits control inf...

Page 17: ...Subcomponents 1 2 3 4 5 Figure 7 Thermostat subcomponents 1 Metal plate 2 Mounting frame 3 Housing and display faceplate 4 Two alkaline AA batteries 5 Screws and drywall anchors 3 16 inch A123C45E 1...

Page 18: ...e thermostat set up procedure see 4 3 Method 2 Zone Control via Thermostat on page 46 WLAN Module Model 1250 4US The WLAN module connects the control unit to end devices It connects to the control uni...

Page 19: ...MHz Use a range extender when the signal from a thermostat to the control unit is too weak Range extenders require the RABS power adapter to operate Range extenders operate in parallel not in series...

Page 20: ...tats The power adapter plugs into standard wall sockets and converts 120V AC to 7 5V DC Power adapters are required for range extenders They are optional for thermostats The cable is 39 inches long Fi...

Page 21: ...aximum 5 to 95 Ambient temperature minimum maximum 32 to 122 F IP Code IP 20 Input voltage 120V AC 50 60 Hz Operating voltage 24V DC Power consumption maximum 12 active circuits 45 W continuous output...

Page 22: ...tting M30 1 5 Circuit Hub Underwriters Laboratory UL conformity UL 60730 1 UL 60730 2 9 Dimensions W H D 1 78 x 1 44 x 1 14 inch Operating temperature minimum maximum 32 to 140 F Relative humidity min...

Page 23: ...oltage 3V DC Battery type and size Two 1 5V DC alkaline AA LR6 Battery service life Approximately 2 years Setting range minimum maximum 41 to 86 F Display range minimum maximum 32 to 99 F Measuring di...

Page 24: ...minimum maximum 32 to 113 F Relative humidity minimum maximum 5 to 95 IP Code IP 20 Input Voltage 5 to 7 5V DC Operating voltage 3V DC Cable length 39 inches Radio Connection see Control Unit Power A...

Page 25: ...nts 2 5 1 Hardware Manifolds RABS components must used in conjunction with a Viega 1 inch stainless steel manifold Model 2804 or Model 2879 Power Requirements RABS requires 120V AC standard wall outle...

Page 26: ...ating circuits Immediate response to priority zone heat demands The functions and features on RABS can be configured to meet these requirements While a good design is critical to the success of any ra...

Page 27: ...can be set using the button on a circuit hub or via the operation software See 4 2 Method 1 Zone Control via Power Level on page 45 to learn how to set the power level on a circuit 2 6 2 Method 2 Zone...

Page 28: ...ware on page 56 to learn how to create a local connection with an end device 2 6 4 Method 4 Remote Operation via Software If the end user connects the WLAN module to a local WLAN then the operation so...

Page 29: ...TICE Defective components must be replaced Do not attempt to repair them 3 2 Assembly Information 3 2 1 Installation Requirements Power The RABS control unit requires access to a 120V wall outlet with...

Page 30: ...es dimensions inches required for mounting RABS components Control Unit Figure 15 Control unit installation dimensions Leave room for the power cable and the component cables Powerhead Figure 16 Power...

Page 31: ...nd check the thermostat s signal strength before selecting the control unit s installation location See 4 3 4 Logging the Thermostat into the Control Unit on page 48 To check the thermostat s signal s...

Page 32: ...Mounting Sequence X Thread the return header nut onto the return header and tighten by hand X Use a 20mm wrench to align the return sensor port Z The port for the return temperature sensor must point...

Page 33: ...ifold Required materials The long ribbon cable 31 5 inches that comes with the control unit and the short ribbon cable 3 inch that comes with each circuit hub Note there will be a spare short ribbon c...

Page 34: ...his procedure until all circuit hubs are chained together in series The last circuit hub will have an empty socket The short ribbon cable 3 inch that comes with it does not get used X Plug each powerh...

Page 35: ...r the mounting surface material Screwdriver Scissors to cut the tail off of the supply sensor cable tie Overview of Control Unit Sockets X Push in on the housing lock on the right side of the control...

Page 36: ...5 inches long Verify both ends of each cable can reach their contact points before deciding where to install the control unit Maintain at least two inches of clearance around the housing faceplate to...

Page 37: ...page 37 WLAN module 3 3 8 WLAN Module on page 44 External output on page 38 Socket for future radiant cooling function Socket for Future Radiant Cooling Function on page 39 Connect the Circuit Hubs t...

Page 38: ...ly sensor cable into the control unit socket second from the left until it clicks securely X Press the supply sensor cable into the strain relief recess below the socket to ensure the housing faceplat...

Page 39: ...that the control unit is unplugged or that the circuit is shut off Then remove the housing faceplate Page 35 X Attach one end of some two wire 18 AWG to the cable clip terminal on the external output...

Page 40: ...ng the Radio Connection on page 49 Verify the thermostat can be accessed readily 2 inches of free space on all sides is required to replace the batteries Mounting the Thermostat on a Concealed Socket...

Page 41: ...both the thermostat and the range extender After fastening the mounting frame to the wall or a concealed socket place the casings onto the frame They will be held in place by two tabs When mounting th...

Page 42: ...terials are included with delivery X When mounting a thermostat screw the mounting frame directly to the wall or to a concealed socket X Place the thermostat on the mounting frame and press on it unti...

Page 43: ...R 120 V voltage risk of electric shock De energize the circuit before connecting the power pack Radio amplifiers need a 120 V mains connection Only one range extender may be used in a radio link The c...

Page 44: ...44 Installation and Assembly IM HC 599871 0321 RABS 3 3 8 WLAN Module Attach the WLAN module next to the control unit using the included double sided tape...

Page 45: ...r source Two alkaline AA batteries Optional power adapter model 1250 7US Optional range extender s with power adapter s 4 1 3 Component Identification Viega recommends noting the serial number of each...

Page 46: ...oftware 4 3 Method 2 Zone Control via Thermostat The control unit transceiver communicates with the thermostat s and range extender s at 916 MHz The WLAN module operates at a different frequency there...

Page 47: ...tat on the mounting frame and press on it until the locking tabs of the mounting frame snap home audibly Z is indicated in the display the thermostat is operative Next the display changes to show the...

Page 48: ...following conditions must be met The thermostat is in battery operation 3 3 7 Optional Install the Range Extender on page 43 For log in the thermostat is approximately 3 3 feet away from the control...

Page 49: ...stallation site If the signal strength is insufficient the installation site must be moved closer to the control unit or a range extender must be installed between the two devices 4 4 2 Checking the R...

Page 50: ...d it be necessary to use two range extenders in parallel at one control unit repeat the steps explained below Before finally mounting the thermostat range extender check whether a radio connection to...

Page 51: ...goes out the log in process is completed Logging the Thermostat into the Range Extender The following conditions must be met so that you can log the thermostat in to the range extender The thermostat...

Page 52: ...at the thermostat range extender 0 no connection 1 adequate 2 very good For smooth operation a constant signal strength 1 is required as a minimum The thermostat range can be extended using up to two...

Page 53: ...he display of the range extender Z The LED connect at the control unit emits red light interrupted by two flashes 4 4 4 Checking the Radio Connection of the Thermostat Radio Amplifier For the range te...

Page 54: ...he operating software adopt the change Temperature units are preset to Fahrenheit in delivery state X Keep the and buttons pressed for five seconds Z The display indicates F F or C C X Change the unit...

Page 55: ...ts thermostats and range extenders are deleted and heating profiles are reset to factory settings The heating circuits will then be controlled at a constant power level 5 factory setting Proceed as fo...

Page 56: ...ernet access 5 2 Method 3 Local Operation via Software The Radiant Auto Balancing System has been set and is operating as described in Configuration level 2 additionally a WLAN module is required The...

Page 57: ...ta is to be found on a label on your WLAN module X Enter the serial number and the WLAN password Z The WLAN connection to the control unit is executed as a point to point connection 5 2 3 Starting the...

Page 58: ...lds X Click on Next step Z The window for naming the control unit pops up 5 2 5 Name the Control Unit Use the following letters numbers and special characters to name the control unit or the rooms Let...

Page 59: ...es for the indicated rooms e g Living room Kitchen Bathroom etc X Click on Next step Z The window for the type of WLAN connection pops up 5 2 7 Establish a Peer to Peer Connection Figure 26 Select the...

Page 60: ...tandable information on operating states and control parameters 6 1 Operating Software on page 72 5 3 1 Cooling Mode 6 1 8 Rooms Additional Settings Menu on page 78 Cooling mode is indicated by the ic...

Page 61: ...n via Software You can operate several control units simultaneously via Internet connection also when you re away from home For this the control units in question must be connected to the router eithe...

Page 62: ...dule This data is to be found on a label on your WLAN module X Select the network serial number of the WLAN module is indicated and enter the WLAN password Z The WLAN connection to the control unit is...

Page 63: ...63 IM HC 599871 0321 RABS Software Set Up Procedures Figure 29 Central settings X Select the control unit Figure 30 Sub menu for the selected control unit X Click on WLAN...

Page 64: ...2 Connecting the Control Unit via LAN X Use an RJ45 connection cable to connect the control unit directly with the WLAN module Z This automatically connects the control unit to the home network So ca...

Page 65: ...tration X Enter your personal data Use the following letters numbers and special characters Letters a z A Z Numbers 0 9 Special characters After you have finished registration you ll receive an email...

Page 66: ...ure 34 Log in window X Enter your email and password and click on Login After successful login you can go to the device management of your account Since no devices have been connected with your accoun...

Page 67: ...AN module X Enter the serial number and password of the WLAN module X Use the Object selection menu to select an existing object or generate a new object X Press Add to confirm your entry Z The contro...

Page 68: ...information are listed under the object Assigning a control unit to another object X Click on Assign in the line of the control unit Z A change field opens X Assign the control unit to another object...

Page 69: ...tion and setting see 6 1 1 Start Screen of Operating Software on page 72 5 4 6 Managing Members In the Members area you can add additional users for the control of the objects and assign authorization...

Page 70: ...has not been assigned administrator rights he or she cannot effect any changes or deletions 5 4 7 Performing Software Updates In regular intervals you will automatically be informed of software update...

Page 71: ...date Version Figure 42 Installation dialogue for available control units X Click on Install Z The installation of the software update starts Carry out all indicated software updates After installation...

Page 72: ...ing Software 6 1 1 Start Screen of Operating Software Figure 43 Start menu 1 Rooms menu 1st and 2nd floor with room names 2 Go away mode menu 3 Operating mode menu 4 Central settings menu The Start me...

Page 73: ...ettings Menu on page 78 Allow the cooling function Prioritized heating Floor temperature retention Profile activated 2 Leaving home mode menu Activate leaving home mode 6 1 9 Leaving Home Mode Menu on...

Page 74: ...ault Menu on page 90 Update Version 6 1 23 Central Settings Update and Version Menu on page 90 Imprint Support A 6 1 24 Central Settings Imprint and Support Menu on page 91 System time A 6 1 25 Centra...

Page 75: ...o the thermostat 4 3 Method 2 Zone Control via Thermostat on page 46 6 1 5 Rooms Menu Change Heating Profile Figure 46 Heating profile menu X Change heating profile Room temperatures can be set for 6...

Page 76: ...all weekdays opens X Select the days to which you want to paste the profile and click on Copy 6 1 6 Copy Rooms Heating Profile Menu Figure 48 Copy the heating profile You can copy the heating profile...

Page 77: ...X Push the slide to the desired temperature Minimum temperature Temperature below which no manual setting at the thermostat is possible Maximum temperature Temperature above which no manual setting a...

Page 78: ...temperature of this room has fallen at least 2 k below the target temperature Floor temperature retention The effect of external heat sources e g insulation causes the heating circuits to close when...

Page 79: ...erature in such a way that the set target value is reached when you return home If you do not set a return time or disable the function the leaving home mode will continue until you disable it via thi...

Page 80: ...activated Time and Temperature Saving mode for all rooms temperature reduced by 3 C Standby mode the system is switched off anti freeze is enabled no settings can be made Cooling mode activated contr...

Page 81: ...Information on the selected operating mode is indicated directly in the menu or when you move the cursor over the question mark icon 6 1 11 Central Settings WLAN Menu Figure 54 Indication of WLAN netw...

Page 82: ...it Change settings Push the slide to Sort Change the indication sequence Edit X Set the slide control to Edit X Click on the desired control unit Z The Overview control units is indicated Sort X Set t...

Page 83: ...number of the control unit cannot be changed Software version Software version of the control unit used cannot be changed Supply temperature Current supply temperature cannot be changed WLAN X Click...

Page 84: ...and Renaming Rooms Figure 57 Room names X Click on Sort The following settings are possible Changing room names Change the indication sequence of the rooms use drag drop to move the room to the desir...

Page 85: ...t offset of an powerhead indication 1 you increase the heat level of the heating circuit Use this function for heating circuits in the area of heavily insulating floor coverings rugs wooden floorboard...

Page 86: ...Click Activate point to point mode to establish a direct connection between the end device and the control unit Z In this mode the control unit is not connected to a router To connect the control unit...

Page 87: ...unit X Select F Fahrenheit or C Celsius Date format X Select dd mm yyyy or mm dd yyyy Time format X Select 12 or 24 hours Time zone X Select timezone Summer winter changeover The automatic time chang...

Page 88: ...g while in heating mode and from falling below dew point in cooling mode X Set the slide for the minimum and maximum supply temperature to the desired temperature 6 1 20 Central Settings Analyze Suppl...

Page 89: ...t your settings from unauthorized access This function is available in point to point mode only X Switch the modification protection on X Enter the user name and password X Click on Save Comply with t...

Page 90: ...registered during the auto check of the system 7 1 Control Unit on page 93 6 1 23 Central Settings Update and Version Menu Figure 66 Updates Indication of the software versions installed on the contr...

Page 91: ...tings Imprint and Support Menu Figure 67 Imprint Indication of the Viega service contact information X Click the pen icon to change the contact data for technical support Figure 68 Change address deta...

Page 92: ...69 System time Indication of the current system time in dd mm yy hh mm format If the end device shows an incorrect time check the time settings and the time zone The control units are equipped with a...

Page 93: ...shes red Potential causes Corrective actions 3 x Radio connection to the thermostat is interrupted Check signal strength Check the location of the thermostat 4 3 5 Checking the Radio Connection on pag...

Page 94: ...ng commissioning or defective Disconnect control unit from the mains remove bus cable connect control unit with the mains do a reset disconnect control unit from the mains connect all cables connect c...

Page 95: ...ns Illuminates green once followed by yellow flashing Power level enabled No radio connection to the thermostat Check whether the thermostat is logged in See control unit Emits red light Control unit...

Page 96: ...component refer to the respective sections in this instruction manual 8 3 1 Replacing the Powerhead X Pull the mains plug of the control unit switch mains voltage off X Pull off the circuit hub of the...

Page 97: ...he defective supply temperature sensor X Mount the new supply temperature sensor and plug in X Reconnect the mains plug to the control unit X Check the humidity sensor for proper function fault indica...

Page 98: ...verview INFO The serial number of the new control unit is indicated for the object but without a name for the control unit X Enter the name of the control unit and the room name INFO The Room overview...

Page 99: ...nit A and WLAN module 1 is still stored on the server For security reasons the server therefore does not allow the addition of a new device e g a combination of control unit A with WLAN module 2 On th...

Page 100: ...een control unit A and WLAN module 1 is still stored on the server For security reasons the server therefore does not allow the addition of a new device i e of control unit A linked to the new tenant...

Page 101: ...tools sold by Viega under normal conditions of use shall be free from failure caused by manufacturing defects for a period of two 2 years from date of sale Under this limited warranty you only have a...

Page 102: ...for repair and replacement of the product covered by this warranty VIEGA SHALL NOT BE LIABLE FOR CONSEQUENTIAL ECONOMIC LOSS DAMAGES UNDER ANY LEGAL THEORY AND WHETHER ASSERTED BY DIRECT ACTION FOR C...

Page 103: ......

Page 104: ...ny questions regarding function or operation of RABS please contact Email Techsupport viega us Phone 877 843 4262 Ext 350 www viega us Viega RABS Portal www rabs viega us Peer to peer connection to a...

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